baber/WOPTO huggingface dataset:
Patent GB-2032744-A (GB)
Title: Soil cultivating implements
IPC: A01B33/06
Filed: 1979-10-24
Abstract: In a soil cultivating implement which comprises a plurality of power-driven single-tined rotary soil working members, each tine (6) has a fastening portion (7) which is clamped against a supporting part (4) at the lowermost end of a substantially vertical shaft (2) which embodies the axis of rotation (a) of each soil working member by a clamping nut (10) which co-operates with a screwthreaded stub shaft (5) that projects downwardly from the centre of the supporting part (4). The axis of the clamping nut (10) is coincident with the axis of rotation (a). When installed, the clamping nut (10) is located in a space which is bounded by opposed cheeks (14) that project downwardly from the fastening portion (7). The space which is bounded by the cheeks (14) merges into a cavity (13) which is formed at the radially inner side of a straight downwardly tapering and rearwardly trailing soil working portion (9) and of a curved portion (8) which integrally connects said soil working portion (9) to the fastening portion (7). <IMAGE>
Patent GB-2033258-A (GB)
Title: Mixture concentrator
IPC: C02F11/121
Filed: 1979-10-30
Abstract: A mixture concentrator (400), or a fluid medium separator, usable, for example, for increasing the amount of proppant in a formation-fracturing foam is disclosed. The concentrator (400) comprises an elongate vessel (480) and a rotor (486) rotatably mounted inside the vessel on a shaft (488). The vessel (480) has a mixture intake (470) at a forward end and a concentrated mixture outlet (476) and an extracted medium outlet (478) at the rearward end. The rotor comprises a cylindrical stabilizer (492) arranged to impart a spin to the incoming mixture and, downstream of the stabilizer, intake impeller means (494) for removing a portion of one medium from the mixture in the annular channel surrounding the rotor and discharging the medium to an internal passageway located inside the rotor (486) and thence to outlet (478), while concentrated mixture is discharged separately through outlet (476). An annular seal (414) is located between the concentrated mixture outlet (476) and the extracted medium outlet (478) for limiting flow of concentrated mixture into the extracted medium outlet (478). <IMAGE>
Patent GB-2035162-A (GB)
Title: Panel forming machine
IPC: B21D19/04
Filed: 1979-11-02
Abstract: A maching forming one skin of an for insulating panel e.g. of the type having an expanded polystyrene core sandwiched between a pair of steel or aluminium skins, has a series of rollers 26,27,28 which firstly sever a portion of the skin(s) from the core and then progressively deform the skin(s) to form a free-standing flange.
Patent GB-2073875-A (GB)
Title: Remote control system
IPC: H04B10/114
Filed: 1979-11-21
Abstract: In order to enable, for example, the elderly, to remotely control an electrical device, the operation of an electrical device 27 is controlled in dependence upon the reception of light modulated at 65 Hz by a phototransistor 11. The receiver 18 includes a band-pass filter 22 having a Q of about 50 and being tuned to 65 Hz. The transmitter comprises a tungsten flashlamp bulb 4 which is selectively energized at 65 Hz by operation of a pushbutton 6. The transmitter is in the form of a hand held flashlamp so that it can also be used as a flashlamp. <IMAGE>
Patent GB-2042797-A (GB)
Title: Tuning fork type piezo-electric vibrator
IPC: H03H3/04
Filed: 1979-11-30
Abstract: A tuning fork type vibrator in which, in operation, flexural vibration is coupled to torsional vibration, the being provided with at least one projection (9) and with at least one weight (8, 10) such that the vibrator has a predetermined oscillation frequency and a predetermined oscillation frequency- temperature characteristic. The projections (9) may be at the roots of the tuning fork arms, where there are nodal points of the flexural vibration, or may extend down the entire sides of the base. Weights may be positioned on the projections or elsewhere, and parts thereof may be removed during adjustment. <IMAGE>
Patent GB-2039810-A (GB)
Title: A Tool Interfacing Pad
IPC: B24B13/01
Filed: 1980-01-14
Abstract: An interfacing pad (10) for application to the working surface of a tool 32 for grinding, lapping or polishing optical lenses has a thickness which varies between its centre and its periphery, so that it adjusts the effective curvature of the tool when applied thereto. A grinding, polishing or lapping pad 44 is thereafter applied to the interfacing pad. Slots assist the pads in conforming to the curvature of the tool. <IMAGE>
Patent GB-2069817-A (GB)
Title: Jewellery
IPC: A44C15/00
Filed: 1980-02-06
Abstract: A kit of jewellery parts consists of links 10 and jointing devices 11, 12, 14. The parts are manually engageable and disengageable to permit the user to make a series of different items such as a necklace, a choker, a pendant etc. The links 10 have bulbous ends which are accommodated between the two annular plates of the jointing device. The plates are held apart by a central collar having an aperture communicating with a slot in one plate to permit attachment of the links, which then project through a circumferential slot between the annular plates. <IMAGE>
Patent GB-2042775-A (GB)
Title: Stop-watch or chronograph
IPC: G04F10/00
Filed: 1980-02-12
Abstract: A stop-watch or chronograph has a liquid crystal display device (2) for displaying a measured time period and a thermal printing head (12) for selectively recording on printing paper (1) the measured time period displayed by the liquid crystal display device. The thermal printing head and the liquid crystal display device are disposed adjacent to one another. A further liquid crystal display device (3) shows the time of day. Arrangements for storing and printing lap times are briefly described, and a terminal (9) is provided for operation by a remote sensor. The device has a carrying strap (11). <IMAGE>
Patent GB-2069883-A (GB)
Title: Method for manufacturing profiled beams from slabs of rectangular cross section
IPC: B21J5/00
Filed: 1980-02-26
Abstract: An I-beam or other profiled beam is formed from a starting slab of rectangular cross section by pressing it throughout its length on its side faces. In the process of pressing, end faces of the slab are fixed in position at both ends to prevent a longitudinal deformation of the slab. The wide face of the slab may be pressed first, or wide faces of the slab may first be clamped in the middle and the narrow faces pressed until flanges (12) are formed, then the wide part pressed until a web (13) is formed. After formation, the beam may be rolled. The starting slab may be formed by continuous casting. The beam may be of steel. <IMAGE>
Patent GB-2074626-A (GB)
Title: Underground shelters
IPC: E04H9/12
Filed: 1980-04-29
Abstract: An underground shelter that is suitable as a nuclear fallout shelter comprises a living chamber 1, an entrance chamber 2, a door 3 between the chambers and an inlet 4 covered with a removable cover 5. The living chamber 1 is formed of cylindrical concrete tunnel lining sections. Each section may be formed of arcuate segments with reinforcements of adjacent segments interlocking. <IMAGE>
Patent GB-2053340-A (GB)
Title: An espagnolette lock
IPC: E05C9/18
Filed: 1980-06-17
Abstract: A housing (15) of an espagnolette lock comprises, beside an ordinary rotatable member (16) for actuation of an operating rod (12) for fastening members (13), a second rotatable member (21), which is adapted for cooperation with a cylinder lock of conventional type. A displaceable locking bolt (25) extends between the two rotatable members. The second rotatable member (21) is provided with a finger (33), which is in the form of a hook (34) extending into a slot in the bolt, and upon rotation in one direction moves the bolt away from the first rotatable member (16), and which is also formed as a cam (35) for forcing the bolt towards the first rotatable member, upon rotation in the opposite direction. The first rotatable member (16) is provided with an external guiding surface (26) having such peripheral extension, that the bolt (25) can lock the first rotatable member in a certain angular position thereof only, corresponding to a full locking position of the espagnolette. The guiding surface (26) is in this position terminated by a detent (28) for engagement with the bolt. <IMAGE>
Patent GB-2060453-A (GB)
Title: Stud Rotating Power Wrench
IPC: B25B21/00
Filed: 1980-08-01
Abstract: The power wrench (20) for rotating the stud (10a) comprises a wrench body (12) defining a socket (29) for loosely encircling the stud. A pawl (22) is pivotably connected with the wrench. The pawl has an outer end (23) outwardly extending from the wrench body, and an inner end (23a) extending into the socket. A first jaw (50) is axially disposed in the socket between the inner end of said pawl and the stud. A second jaw (52) is axially disposed in the socket between the body and an opposite portion of the stud. A clamp actuator (58) is mounted on the body. The clamp actuator has a ram (57) which pushes against the pawl. A wrench driver (26) is coupled to the outer end of the pawl. The actuator clamps the jaws to the stud by relative pawl-body movement. Anti-clockwise rotation of the pawl by the driver rotates the body with the pawl and thus the stud. The driver has a reaction assembly comprising two arms (32, 35) connected by an adjustable rack (34) and clamp (42) assembly and having respective stud surrounding rings (34, 36). <IMAGE>
Patent GB-2060800-A (GB)
Title: Fitting for double wall tubing
IPC: F16L39/00
Filed: 1980-08-07
Abstract: In a fitting 14, the inner wall 2 of double wall tubing is conventionally connected with a compression nipple 6<1>. The outer wall carries a collar 15 at its end. The collar, and the outer wall, is held captive between gland nut 18 and an abutment 16, sealing stuffing 19 being provided. Should leakage into the annular space between the walls occur, it can pass to a drain via a drain-port 20. <IMAGE>
Patent GB-2083837-A (GB)
Title: Manufacture of electrode with manganese dioxide coating, valve metal base, intermediate semiconducting layer
IPC: C25B3/00
Filed: 1980-08-18
Abstract: A mixed oxide interface is provided between an eg. titanium base and the outer manganese dioxide coating by means of titanium from the base and noble metal from a solution containing a predetermined amount of HCl which attacks the titanium base surface. Slow drying provides a metal chloride mixture which is thermally converted to said mixed oxide of titanium and noble metal in a given ratio, whereby to protect the titanium base from oxidation. An outer coating of manganese dioxide is electroplated on the mixed oxide layer so as to provide an inexpensive electrode with improved resistance to oxidation. This electrode can be used for various processes where a high resistance to oxidation is required, e.g. for metal electrowinning processes.
Patent GB-2059955-A (GB)
Title: Process for preparing methylvanillyl ketone
IPC: C07C45/28
Filed: 1980-09-09
Abstract: Methylvanillyl ketone is prepared (1) by oxidizing isoeugenol with an oxidation reagent in an aqueous solution of an organic acid to form a glycol monoester; and treating in situ the resulting glycol monoester with a strong acid; or (2) by acetylating isoeugenol to form acetyl isoeugenol and oxidizing the acetyl isoeugenol in situ with an oxidation reagent followed by treatment of the oxidation reaction mixture with a strong acid in an inert solvent without isolation of any intermediates; or (3) by condensing guiacol with an  alpha -alkoxypropanol to form a 1,1-di(4-hydroxy-3-methoxyphenyl)- 2-alkoxypropane, (which compounds are novel and constitute another embodiment of the invention), heating the latter in the presence of a base to form the corresponding 1- propene and treating the latter with an acid in an inert solvent.
Patent GB-2059685-A (GB)
Title: Transformers with adjustable core parts
IPC: H01F29/10
Filed: 1980-10-03
Abstract: An improved transformer has a part of the core structure (23, 24) movable relative to the remainder to vary the inductive coupling between the primary and secondary windings, locking means being provided to lock the movable part of the core structure in any desired position. The transformer is provided with a control member (40) to move the movable part of the core, the control member (40) extending outside a casing (46) which may be filled with oil, the transformer having particular, but not exclusive, application as a welding transformer. The movable core part comprises two stacks (21, 22) of laminations each clamped between plates (23, 24) and movable longitudinally along respective channels (19, 20), Fig. 2 (not shown) in the core between winding bobbins (17, 18). Locking of the core parts is achieved by rotating the control member (40) to screw down a wedging member (29) which causes the upper ends of the parts (21, 22) to be drawn together, which skews the parts and makes them bind in their channels. The member (40) has differently-coloured sleeves (50a, b, c). <IMAGE>
Patent GB-2064119-A (GB)
Title: A spherical indicator for an aircraft
IPC: G05D3/14
Filed: 1980-11-11
Abstract: A spherical indicator for use on board an aircraft comprises one or more pointers (3) supported by members (7) to rotate in front of a sphere (1) of the indicator. The member (7) which supports a pointer (3) is mounted to rotate about an axis (5) which passes through the centre (6) of the sphere (1). Member (7) is a ring mounted loosely in a circular cut out (10) in a plate (9) attached below a wall (8) of box (2) so that the ring is rotatable in a plane tangential to the sphere (1). Ring (7) is driven by a motor through a perforated belt and pulley system. A potentiometer slider attached to pointer (3) moves over potentiometer tracks to produce a pointer position signal to a differential amplifier which also receives a signal representing the magnitude of the variable to be displayed. The output of the amplifier is fed to the motor. <IMAGE>
Patent GB-2066192-A (GB)
Title: Anchors for boats
IPC: B63B21/44
Filed: 1980-12-17
Abstract: An anchor with a shank which supports a movable fluke assembly 9 which is hinged transversely in the crown zone so that it can make a limited angular movement on opposite sides of the shank. Constraint means comprising a bolt 12 is provided to impose the limited angular movement, and can be withdrawn from the hinge against the action of a spring 14 to allow complete rotation of the arm assembly about the shank and facilitate release of the anchor from the sea bed. <IMAGE>
Patent GB-2066688-A (GB)
Title: Continuous filtering method and apparatus
IPC: B01D35/12
Filed: 1981-01-02
Abstract: The invention concerns a process and apparatus for continuously filtering a fluid which is drawn in by a pump (18). Filtration is effected by means of a filtration assembly (10) comprising two filters (22, 24) which operate alternately so that one filter is operating while the other is in a waiting condition and is cleaned in a counter-current mode. The filtration assembly is located at the intake of the pump, and uses a portion of the fluid discharged by the pump to accumulate fluid under pressure in an accumulator module (14) and control operation or cleaning of the filters by means of a control module (12). The assembly may be used in particular for the filtration of the intake water of a submerged hydraulic unit operating on seawater. <IMAGE>
Patent GB-2069889-A (GB)
Title: Machine tool control
IPC: G05B19/401
Filed: 1981-02-23
Abstract: A method fo sensing the position of a workpiece clamp 8 on a workpiece positioning assembly of a computer-controlled machine tool such as a turret punch press including an X-axis traverse, a Y-axis traverse and, a workpiece support 7 movable along the X-axis traverse and carrying the workpiece support. The method consists of the steps of providing a datum position on the X-axis for the control, providing a datum position on the Y-axis for the control, providing a datum position on the turret for the control, moving the member to the datum position on the X-axis at the beginning of each operating sequence, registering movement of the member along the X-axis traverse, moving the member passed sensor means 12 to identify for the control the position of the member relative to the datum position on the X-axis. Apparatus for carrying out the method is also provided. <IMAGE>
Patent GB-2073315-A (GB)
Title: Fuel injection nozzle unit
IPC: F02M61/16
Filed: 1981-03-02
Abstract: In a fuel injection nozzle unit of the type having an outwardly opening spring bias closed valve member including a stem 21 and a head 20 for co-operation with a seating 19, the valve is prevented from 11 opening too rapidly by the stem mounting a piston 28 which cooperates with the interior surface of the surrounding body of the unit. The piston is acted upon by fuel under pressure supplied through an inlet 14 and displaces fuel through an outlet defined by the head and the seating. Valve means defined in part by the piston operates to allow fuel flow from the inlet to the outlet when the stem reaches the limit of its travel. <IMAGE>
Patent GB-2094684-A (GB)
Title: Rolling mills
IPC: B21B31/10
Filed: 1981-03-18
Abstract: A four-high rolling mill has backup chocks 7 & 8 which partially surround the chocks 3, 4 of the working rolls, and two rails 9 which extend beneath the lower chocks 4. Four piston/cylinder units 11 extend between the chocks 8, 7 of the lower and upper backup rolls. When the units are extended the bearing boxes 7 of the upper backup roll are lifted and this motion is transmitted via links 12 to the rails 9 which are also lifted. The rails engage wheels 14 mounted on rods 15 and thus lift them and the two working rolls 1 and 2. The two working rolls are then removed longitudinally on the rails 9 and can be replaced by new ones. <IMAGE>
Patent GB-2077985-A (GB)
Title: Transducer positioning arrangement
IPC: G11B3/12
Filed: 1981-06-12
Abstract: A record player comprises a turntable (11) on which in use a record (R) is played, a transducer (12,) mounted for movement on or over the surface of the record (R), means (17,) to move the transducer (12,) to a selected location above the record (R) and means (24,) to sense and indicate (25,) the amount of movement of the transducer (12,) to bring the transducer (12,) to said selected location, whereby the transducer may repeatedly be positioned in said selected location by causing the transducer to move the indicated amount. <IMAGE>
Patent GB-2078953-A (GB)
Title: Two site cross-reaction immunometric sandwich assay method
IPC: G01N33/573
Filed: 1981-06-24
Abstract: In a two site cross-reaction immunoassay sandwich testing method which has a particular application in the qualitative and quantitative determination of the level of the creatine phospho- kinase MB Isoenzyme (CK-MB) in serum, there are used two different antibodies each of which is specific to a different analyte but each of which will cross-react with the analyte of interest. The first antibody which is preferably bound to a solid phase is reacted with the unknown sample. Separation of the solid and liquid portions of the first reaction mixture is accomplished and the solid portion thereof is reacted with the second antibody which is tagged. The solid and liquid portions of the second reaction mixture are separated and the solid portion is tested for the tag as an indication of the presence of said analyte. In testing for creatine phospho-kinase-MB in human serum, there are used the cross-reacting antibodies to creatine phospho-kinase-BB and to creatine phospho-kinase-MM.
Patent GB-2101557-A (GB)
Title: Swinging assembly
Inventor: LAHIKAINEN SIMO
IPC: E02F3/38
Filed: 1981-07-11
Abstract: A swinging assembly intended primarily for diggers comprises a frame 5, a boom 4 linked to the frame so as to be horizontally rotatable with respect to a vertical axle 1. The assembly further comprises a swinging arm 2 which is freely rotatable with respect to the axle 1 and stationary relatively to the boom 4, and an auxiliary arm 3 which is freely rotatable with respect to the axle 1 as well as to the boom 4. A hydraulic cylinder 6 is linked by its one end to the frame 5 and by its other end to the auxiliary arm 3 and a second cylinder 7 is linked by its one end to the auxiliary arm 3 and by its other end to the swinging arm 2. The hydraulic cylinders, which have their respective piston ends connected to the head ends of the other cylinder, are operated by oil pressure which is controlled by means of a hydraulic valve 8, to swing the boom 4 through 180 DEG , i.e. 90 DEG  to either side from the position shown. <IMAGE>
Patent GB-2103742-A (GB)
Title: Improvements in or relating to welded flanged pipes
Inventor: GREATOREX CYRIL BARRIE
IPC: F16L21/08
Filed: 1981-08-07
Abstract: A welded flanged pipe has a flange mounted upon and welded to the pipe adjacent one end thereof, the flange configuration and the manner of welding being such that the part of the flange facing away from said one end of the pipe is prestressed in compression in the out-of-use condition of the pipe. Prestressing is achieved by making the internal diameter of the flange smaller than the external diameter of the pipe so that the flange may only be located upon the pipe by force-fitting or by expansion through heating.
Patent GB-2084072-A (GB)
Title: A method of forming an impression of the inside of an ear
IPC: H04R25/00
Filed: 1981-09-17
Abstract: A method of forming an impression of the inside of an ear comprises arranging for a former, having a base and a projecting portion and provided with a through hole extending from the base to the tip of the projecting portion, to be coated with a layer of hardenable impression material so as not to block the through passage. The coated former is then inserted into the ear and the coated layer of impression material is allowed to harden to form an impression of the inside of the ear. preferably the former is pre-formed by introducing hardenable impression material into the inside of the ear and allowing it to harden. The former is then removed from the ear and the through passage is formed therein.
Patent GB-2085859-A (GB)
Title: Method for manufacture of non- gelling, stable inorganic salt crutcher slurries
IPC: C11D3/08
Filed: 1981-10-21
Abstract: Gelation and setting of desirably miscible and pumpable aqueous crutcher slurries comprising sodium bicarbonate, sodium silicate and sodium carbonate are retarded and often are prevented by the addition of sodium sesquicarbonate (which serves as a source of sodium carbonate and sodium bicarbonate) after admixing of sodium bicarbonate, sodium carbonate (if added earlier) and sodium silicate. Desirably, citric acid is dissolved in the crutcher medium before addition of the sodium sesquicarbonate but its presence is not necessary.
Patent GB-2108845-A (GB)
Title: Insecticide composition for controlling insects which have an aquatic breeding site
Inventor: MCMULLEN ARNOLD IVOR
IPC: A01N31/02
Filed: 1981-11-02
Abstract: An insecticide composition for controlling insects which have an aquatic breeding site comprises a first component which forms either a monomolecular layer or an insoluble foam layer on the surface of a water catchment and a second component which attracts insects to the monomolecular layer or the insoluble foam layer.
Patent GB-2087837-A (GB)
Title: A flecible arm for a robot
IPC: B25J9/06
Filed: 1981-11-20
Abstract: A Flexible arm for a program-controlled manipulator, having a plurality of movable arm members (19, 26, 28, 37, 39) sequentially connected to a cylindrical base (18) rotatably mounted on a non-flexible arm (4), and an operating rod (20) movably attached to the base (18) for driving the movable arm members.